[LUOGU] 1364 Hospital Settings

There is a binary tree, as shown in the figure: [I am the picture] Among them, the numbers in the circle represent the population of the residents in the node.Numbers on the rim represent node numbers. A hospital is now required on a node to minimize the sum of all residents'journeys, and it is agreed that the distan ...

Posted by dan7474 on Mon, 20 Jul 2020 08:11:24 -0700

freemarker tag usage and configuration

After some time of research, freemarker really works better than jsp, and freemarker strictly divides the mvc pattern.Show on the page as a template filler.The following describes the use and configuration of freemarker that I experienced. Configuration tags are good for maintaining and expanding the project. Create a freemarker configuratio ...

Posted by FrankHarley on Mon, 20 Jul 2020 08:38:52 -0700

vue+vuex+axios+echarts Draw a dynamically updated map of China

I. Build projects and install plug-ins # Install vue-cli npm install vue-cli -g # Initialize project vue init webpack china-map # Cut into Catalog cd china-map # Installation Project Dependency npm install # Install vuex npm install vuex --save # Install axios npm install axios --save # Install ECharts npm install echarts --save II. Pr ...

Posted by jimmyborofan on Mon, 20 Jul 2020 08:30:08 -0700

vue property binding and interaction

vue directive binding properties vue binds attributes by directive v-bind, src/width/height/title, such as v-bind:src='''can be abbreviated as: src=''', the same v-Bind:widthWait a moment, abbreviated as width,:height <script src="https://unpkg.com/vue/dist/vue.js"></script> <body> <div id="box"> <img v-bind:sr ...

Posted by info@ipfaces.org on Mon, 20 Jul 2020 09:12:34 -0700

Private data for threads (TSD-Thread-Specific Data)

Within a thread, thread private data can be accessed by individual functions, but it is blocked from other threads. When using thread data, first create an associated key for each thread's data.Within each thread, this common key is used to refer to thread data, but in different threads, the data represented by this key is different.That is, o ...

Posted by madspoihur on Sun, 19 Jul 2020 08:18:02 -0700